Discover the ultimate solution for biological filtration in your ponds and water gardens with Atlantic's expanded clay Bio-Rocks. These innovative bio-media offer all the surface area you need, but with 25% less weight than lava rock and half the weight of gravel, making them a more stable and less abrasive alternative for your filtration needs.
Bio-Rocks are designed to provide ample surface area for beneficial bacteria to thrive, promoting a healthy aquatic environment. Simply add them to a media bag and place them in your biological filter or Filter Falls to enhance filtration efficiency and water quality.
With their lightweight and durable construction, Bio-Rocks are easy to handle and install, ensuring hassle-free maintenance and long-lasting performance. Say goodbye to heavy and cumbersome bio-media, and switch to Bio-Rocks for a more efficient and effective filtration solution.
Upgrade your pond or water garden with Atlantic's expanded clay Bio-Rocks, available exclusively on Shopify. Experience the benefits of superior biological filtration and enjoy a cleaner and healthier aquatic environment for your aquatic life.

Product Dimensions	12.25 x 6.25 x 12.25 inches
Item Weight	20 pounds
Manufacturer	Atlantic Water Gardens
ASIN	B00U8UKWTQ
UNSPSC Code	10110000 (Domestic pet products)
Item model number	BB0500
Customer Reviews	3.8 3.8 out of 5 stars    3.8 out of 5 stars
Best Sellers Rank	#618,353 in Patio, Lawn & Garden #510 in
Is Discontinued By Manufacturer	No

• Expanded clay bio-rocks for beneficial bacteria growth in FilterFalls
• 25% less weight than lava rock
• Half the weight of gravel
• Same surface area as lava rock
• More stable and less abrasive than heavy-weight bio-media